Sper Scientific 840034 Psychrometer - Anemometer - Manual (Page 7)

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MEASUREMENT PROCEDURES
Air Flow
Your model 840034 meter measures both basic
measurements, including air temperature, humidity,
dew point, wet bulb, and air velocity as well as ex-
tended measurements, including air volume, sum of
volume, capacity, and sum of capacity.
1. When the meter is turned on, air temperature is
shown on the LCD.
2. To view the other measurement parameters, press
the
Mode button (continually) to display them in
turn.
3. Press
Mode for over two seconds to switch be-
tween volume and capacity.
Max, Min and Avg
1. When the meter is turned on, min/max and average
readings will automatically be saved for all basic meas-
urements: air temperature, dew point, wet bulb, humidi-
ty, and velocity.
2. Press the
Mx/Mn button to view the average value,
maximum value, and minimum value in turn.
3. Press
Mx/Mn again to return to normal mode. The data
will be erased once the meter is turned off.
4. When in Mx/Mn/Avg mode, press the
Mode button to
cycle through the different parameters (see following).